Pharmacy resident killed in Chicago hospital shooting was walking out of elevator when she was shot; three victims, including police officer, are identified

A Chicago police officer and two other people were killed in an attack at a South Side hospital Monday afternoon that sent medical personnel and police scrambling through halls, stairwells and even the nursery in search of victims and the shooter before he was found dead.

Officer Samuel Jimenez, on the force less than two years, was gunned down as he went to the aid of other officers who had been called to Mercy Hospital & Medical Center around 3:20 p.m. about an assault. Jimenez, 28, was married with three small children. He's the second Chicago police officer killed in the line of duty this year, the most since 2010 when five officers were fatally shot. The first was Near North District Cmdr. Paul Bauer, killed Feb. 13 outside the Thompson Center.

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"Those officers that responded today saved a lot of lives," said Chicago police Superintendent Eddie Johnson. "They were heroes because we just don't know how much damage (the shooter) was prepared to do."

Police had been called to the hospital after a gunman confronted his girlfriend, emergency room doctor Tamara O’Neal, apparently over a "broken engagement," sources said. By the time Jimenez and his partner arrived on the scene, he had shot O’Neal repeatedly, standing over her as he fired the last shots, according to police sources and witnesses.

The gunman, who sources say had a concealed carry license, then exchanged gunfire with Jimenez and other officers as he ran into the hospital. Jimenez was shot in the lobby as the gunman continued firing. A squad car was hit, and a bullet hit the holster and lodged in the gun barrel of another officer, according to Johnson.

Dayna Less, 25, a first-year pharmacy resident, was hit as she walked out of an elevator. "That woman got off an elevator and was shot, why?" Johnson asked. The suspect was found inside the hospital, apparently suffering a wound to the head. Johnson said it was unclear how he was shot.

At a press conference late Monday night, Emergency Department director Patrick Connor grew emotional as he described O'Neal as dedicated to her church and patients. The 38-year-old emergency physician graduated from the University of Illinois College of Medicine in Chicago in 2016 and has worked as a resident at Mercy for two years.

She raised money for disadvantaged children and led her church choir, Connor said, choking up with emotion and pausing frequently.

"That was her one thing she wanted ... to be able to go to church on Sunday," Connor said, adding that they assured her she could. "We'll make sure you go to church on Sunday."

Less recently graduated from Purdue University and started working at the hospital in July.

Michael Davenport, Mercy's chief medical officer, said the hospital conducted an active shooter drill last month. About 200 patients were being treated in the hospital on Monday, but authorities only evacuated the emergency room.

As dispatchers and responding officers tried to make sense of the scene, reports came in of an officer shot somewhere in the lobby, a woman and an assistant also wounded. Finally, there was word of the gunman apparently shot in the head.

Even then, dispatchers continually checked on officers’ status and whether another gunman might still be on the loose.

Officers rushed to lock down the first floor of the hospital for a search, then closed off the stairwells. "We're checking for victims," a dispatcher said. "We also need officers on the third floor to check the nursery."

By 4 p.m., the officer was being taken to the University of Chicago Medical Center, where he died.

Meanwhile, medical personnel continued to be brought out of the hospital by police, who radioed ahead to warn officers outside. At 4:40 p.m., the hospital tweeted that "patients are safe."

Steven Mixon, an emergency room clerk, said he had received a call hours earlier, around 1 p.m., from a man he believed to be the ex-fiance of the woman shot outside the hospital. “He called and asked to speak with his fiancee,” said Mixon. “And she said, ‘Oh, just tell him I’m in with a patient.’ ”

Mixon said he got off work around 3 p.m. and waited for an Uber in front of the hospital. “I look up and I see her being harassed by some gentleman,” he said. "She was trying to avoid him and move around. And when she saw me, she waved for me to come that way.”

James Gray was coming out of the clinic area when he said he saw a man in a black coat, black hat and dark pants shoot a woman three times in the chest. The man and the woman had been walking and talking to each other before the shooting, he said. The gunman stood over the woman and shot her three more times after she fell to the ground, said Gray. Then a squad car turned its lights on and came down the drive and the gunman shot at the squad car.

“It was chaos,” said Gray. “It was just mass chaos.”

Gray said the gun looked like a 9 mm handgun; a police source said authorities had identified it as a 9 mm.

When the gunman came into the hospital, it appeared that he was shooting people at random, said Gray, who saw one other person shot.

“And then I ran into the X-ray department and locked the door behind us,” he said. “I thought it was unbelievable. It’s like a movie scene. Nothing like that ever happened to me before.”

Hector Avitia was watching television in a waiting room at the hospital with his wife when the first woman was shot. Avitia watched through windows as a person in blue scrubs was shot outside and fell to the ground, he said. When the shooter made his way inside the hospital, Avitia and those with him hid by a desk. “Oh my God,” said Avitia, when asked how many gunshots he heard. "Reloaded twice. So 32 bullets each.”

“I’ve heard shootings,” he said. "I’ve known people that have died in the neighborhood like that. But something like that? No."

Avitia said he was more alert than scared for his life. “It’s just a messed up situation and I was trying to help out as much as I could,” he said. "Get people to get out of the way of the windows. Because he could have easily just aimed at us, too. Because he was just shooting like a maniac. And he obviously knows how to shoot because he was holding the gun with both hands."

Erix Horton, who works in environmental services at the hospital, spoke to a Tribune reporter while outside smoking a cigarette after being inside the hospital when the shooting occurred. “I was checking out, getting ready to leave,” said Horton. “One of the nurses ran back here and it was like she was about to collapse and said (a staff member had) been shot. And she’s like, ‘Call the police. We have an active shooter.’ And that’s when everybody took cover. They got on the PA, letting everybody know."

Horton said he took cover with others in the break room across from the ER, which has a combination lock, until police entered and escorted everyone out. A Fire Department crew that had just brought in a patient took cover in the room also, Horton said.

While in the break room, they could hear someone firing gunshots in the hallway, eight or nine of them, Horton said. "We had to duck. A lot was going through my mind. Make it home to see my wife and my kids. Everybody was just worried about the rest of our coworkers making it out safe.”

Moments after Charlie Wells walked into the emergency room to treat an injury, he heard gunfire and dove behind the registration desk. He sat huddled there with about 15 other people. He heard screams, and more gunfire.

Wells, 37, said people dropped to the ground. “It was chaos,” he said. “All panic.”

Tanisha Smith held her 10-year-old daughter’s hand and walked quickly away from Mercy Hospital. They were visiting Smith’s grandfather at the hospital when someone yelled at them to run. Smith grabbed her daughter and sprinted toward a waiting room, looking frantically for a door.